The BW418 from Sainty-Tech Communications Limited is a Voltage Controlled Oscillator with Frequency 23.80 to 25.00 GHz / 11.9 to 12.5 GHz, Power 0.31 to 7.94 mW, Phase Noise -92 dBc/Hz, Phase Noise dBc/Hz @100kHz -92 dBc/Hz, Harmonic Supression -15 dBc. Tags: Die. More details for BW418 can be seen below.